MMAP (man3p)
mmap — map pages of memory
mmap — map pages of memory
stat — get file status
nice — change the nice value of a process
wcsncmp — compare part of two wide-character strings
wcschr — wide-character string scanning operation
dlerror — get diagnostic information
mprotect — set protection of memory mapping
aio_read — asynchronous read from a file
ispunct, ispunct_l — test for a punctuation character
iswctype, iswctype_l — test character for a specified class